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Finding the Fourth Proportional to 370,324.80, 555,427.80 and 133,545.60

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Solution

The fourth proportional to 370,324.80, 555,427.80 and 133,545.60 is: 200,296.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,324.80 : 555,427.80 = 133,545.60 : x
  2. Step 2: Convert to fraction form
    370,324.80/555,427.80 = 133,545.60/x
  3. Step 3: Cross multiply
    370,324.80x = 555,427.80 × 133,545.60
  4. Step 4: Simplify right side
    370,324.80x = 74,174,938,807.68
  5. Step 5: Solve for x
    x = 74,174,938,807.68/370,324.80
  6. Step 6: Final answer
    x = 200,296.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.